| Affiliation: | 1. Department of Emergency Medicine, Medstar Washington Hospital Center, 110 Irving St, Washington, DC 20010, USA;2. Department of Critical Care Medicine, Medstar Washington Hospital Center, Washington, DC 20010, USA;1. Department of Internal Medicine, Columbia University, New York, NY, USA;2. Division of Gastroenterology, Hepatology & Nutrition, University of Pittsburgh School of Medicine, UPMC Presbyterian Hospital, 200 Lothrop Street, 853 Scaife Hall, Pittsburgh, PA 15213, USA;3. Department of Internal Medicine, Institute of Human Nutrition, Columbia University, New York, NY, USA;1. Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 South Kingshighway Boulevard, St Louis, MO 63110, USA;2. Department of Radiology, McMaster University, Hamilton General Hospital, Hamilton, ON L8L 2X2, Canada;1. Department of Thoracic Medicine and Surgery, Temple Lung Center, Temple University Hospital, 7 Parkinson Pavilion, 3401 North Broad Street, Philadelphia 19140, USA;2. Department of Thoracic Medicine and Surgery, Lewis Katz School of Medicine at Temple University, Temple Lung Center, Temple University Hospital, 7 Parkinson Pavilion, 3401 North Broad Street, Philadelphia 19140, USA |
